Migrate WTF::HashSet::add() to ::insert() [part 1 of N]

third_party/WebKit/Source/core/inspector/InspectorNetworkAgent.cpp

Index: third_party/WebKit/Source/core/inspector/InspectorNetworkAgent.cpp
diff --git a/third_party/WebKit/Source/core/inspector/InspectorNetworkAgent.cpp b/third_party/WebKit/Source/core/inspector/InspectorNetworkAgent.cpp
index 2aab6c337a23b6a80b2a8073bb909f474969d67f..47c84b43aba67e20c17acbf471df5c540bad2169 100644
--- a/third_party/WebKit/Source/core/inspector/InspectorNetworkAgent.cpp
+++ b/third_party/WebKit/Source/core/inspector/InspectorNetworkAgent.cpp
@@ -936,7 +936,7 @@ void InspectorNetworkAgent::delayedRemoveReplayXHR(XMLHttpRequest* xhr) {
   if (!m_replayXHRs.contains(xhr))
     return;
   DCHECK(m_removeFinishedReplayXHRTimer);
-  m_replayXHRsToBeDeleted.add(xhr);
+  m_replayXHRsToBeDeleted.insert(xhr);
   m_replayXHRs.remove(xhr);
   m_removeFinishedReplayXHRTimer->startOneShot(0, BLINK_FROM_HERE);
 }
@@ -1397,7 +1397,7 @@ Response InspectorNetworkAgent::replayXHR(const String& requestId) {
   xhr->sendForInspectorXHRReplay(xhrReplayData->formData(),
                                  IGNORE_EXCEPTION_FOR_TESTING);
 
-  m_replayXHRs.add(xhr);
+  m_replayXHRs.insert(xhr);
   return Response::OK();
 }